The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 23, 2007
Filed:
Jul. 26, 2004
Applicants:
Karl Meisenbichler, Muerzhofen, AT;
Christof Radl, Hohenems, AT;
Inventors:
Karl Meisenbichler, Muerzhofen, AT;
Christof Radl, Hohenems, AT;
Assignee:
Hilti Aktiengeselischaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 20/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pressing-out apparatus () for pressing out a mass from a self-drilling, chemical composite anchor () for mining and tunnel construction has a pressing device arranged in a housing (). The composite anchor () includes an anchor tube () having one end () with a drilling head () and one free end () and can be drilled into the receiving material by means of a motor (). The pressing-out apparatus () is operatively coupled with the motor () and with the free end () of the anchor tube ().